Brass Ball Valves for Plumbing and Heating,Brass Ball Valve 4",Brass Ball Valve 2",Brass Ball Valve 3/4 Yuyao Gaobao Sanitary Ware Factory , https://www.gurberry.com
We can provide the following types of blocks:
1) Steel cargo block, bush type JISF3421 (single sheave, double sheave, triple sheave)
2) Steel cargo block, bearing type JISF3429 (single sheave, double sheave)
3) Steel cargo block, bearing type JISF3428 (single sheave, double sheave)
4) Ship's snatch block, JISF3422
5) Steel cargo block, JISF3427
6) HC series single, double sheave marine wire rope block
7) SB series snatch block
8) Heavy duty snatch block
9) Lashing snatch block
10) Galvanized malleable iron block
11) Lower cargo block
Specification
ModelÂ
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HSC-A
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HSC-A
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HSC-A
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HSC-A
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HSC-A
HSC-A
HSC-A
HSC-A
Capacity(t)
   0.5
   1
   1.5
   2
   3
   5
   10
   20
Standard Lift (m)
   2.5
  2.5
   2.5
  2.5
   3
   3
   3
    3
Test load (t)
   0.75
  1.5
  2.25
   3
  4.5
   7.5
  12.5
   25
Mini distance between two hook (mm)
   225
  306
  368
  444
  486
  616
  700
  1000
Chain tension(with full load)(N)
   221
  304
  343
  314
  343
  383
  392
   392
Lifting chain No.
    1
   1
   1
   2
   2
   2
   4
    8
Round steel diameter of chain(mm)
    6
   6
   8
   6
   8
   10
   10
   10
Main dimension(mm)
A
   125
  147
  183
  147
   183
   215
  360.5
   585
B
111
126
141
126
141
163
163
191
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Features of HSC-A Chain Block
-Â Adopt G80 load chain, four times the safety coefficient, never break
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-Â Use 2.0 strength of high managanese steel hook, mainly for the need to withstanf shocks, extrusion bad working conditions.
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-Beautiful appearance, spray evenly, 1.2mm thick cover , has a good ability of collsion.
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-Round hand wheel, effectively avoid jamming and inconvenience for chain intertwined, more efficient to pull the chain fluid.
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-Double brake design, even if one brake is broken, still not affect normal use.Â
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